Commit 85c7452e authored by sternenseemann's avatar sternenseemann
Browse files

nixos/systemd-boot: fsync() copied files 

Since mkstemp() gives us a file descriptor, we may as well call fsync().
parent 94c190a5

nixos/modules/system/boot/loader/systemd-boot/systemd-boot-builder.py

+4 −3
Original line number Diff line number Diff line
@@ -65,9 +65,10 @@ class SystemIdentifier(NamedTuple): 


def copy_if_not_exists(source: Path, dest: Path) -> None:

    if not dest.exists():

        _hdl, tmpfile = tempfile.mkstemp(dir=dest.parent, prefix=dest.name)

        shutil.copyfile(source, tmpfile)

        shutil.move(tmpfile, dest)

        tmpfd, tmppath = tempfile.mkstemp(dir=dest.parent, prefix=dest.name, suffix='.tmp.')

        shutil.copyfile(source, tmppath)

        os.fsync(tmpfd)

        shutil.move(tmppath, dest)





def generation_dir(profile: str | None, generation: int) -> Path: